//
// MUL -> UOP
//
public void ToUOP(string inFile, string inFileIdx, string outFile, FileType type, int typeIndex)
{
// Same for all UOP files
long firstTable = 0x200;
int tableSize = 100; //0x3E8; // block size (files per block)
short compress = 0; // art, gumpart, map, etc are expected to be uncompressed, if we compress them they won't be loaded by the client...
// Sanity, in case firstTable is customized by you!
if (firstTable < 0x28)
{
throw new Exception("At least 0x28 bytes are needed for the header.");
}
using (BinaryReader reader = OpenInput(inFile))
using (BinaryReader readerIdx = OpenInput(inFileIdx))
using (BinaryWriter writer = OpenOutput(outFile))
{
List <IdxEntry> idxEntries;
if (type == FileType.MapLegacyMUL)
{
// No IDX file, just group the data into 0xC4000 long chunks
int length = (int)reader.BaseStream.Length;
idxEntries = new List <IdxEntry>((int)Math.Ceiling((double)length / 0xC4000));
int position = 0;
int id = 0;
while (position < length)
{
IdxEntry e = new IdxEntry();
e.m_Id = id++;
e.m_Offset = position;
e.m_Size = 0xC4000;
e.m_Extra = 0;
idxEntries.Add(e);
position += 0xC4000;
}
}
else
{
int idxEntryCount = (int)(readerIdx.BaseStream.Length / 12);
idxEntries = new List <IdxEntry>(idxEntryCount);
for (int i = 0; i < idxEntryCount; ++i)
{
int offset = readerIdx.ReadInt32();
if (offset < 0)
{
readerIdx.BaseStream.Seek(8, SeekOrigin.Current); // skip
continue;
}
IdxEntry e = new IdxEntry();
e.m_Id = i;
e.m_Offset = offset;
e.m_Size = readerIdx.ReadInt32();
e.m_Extra = readerIdx.ReadInt32();
idxEntries.Add(e);
}
}
int fileCount = idxEntries.Count;
if (type == FileType.MultiMUL)
{
++fileCount; // for "housing.bin"
idxEntries.Add(new IdxEntry());
}
// File header
writer.Write(0x50594D); // MYP
writer.Write(5); // version
writer.Write(0xFD23EC43); // format timestamp?
writer.Write(firstTable); // first table
writer.Write(tableSize); // table (block) size (= files per block)
writer.Write(fileCount); // file count
writer.Write(1); // modified count?
writer.Write(1); // ?
writer.Write(0); // ?
// Padding
for (int i = 0x28; i < firstTable; ++i)
{
writer.Write((byte)0);
}
int tableCount = (int)Math.Ceiling((double)fileCount / tableSize);
TableEntry[] tableEntries = new TableEntry[tableSize];
int maxId;
string[] hashFormat = GetHashFormat(type, typeIndex, out maxId);
for (int i = 0; i < tableCount; ++i)
{
long thisTable = writer.BaseStream.Position;
int idxStart = i * tableSize;
int idxEnd = Math.Min((i + 1) * tableSize, fileCount);
// Table header
writer.Write(idxEnd - idxStart); // files in this block
writer.Write((long)0); // next table, filled in later
writer.Seek(34 * tableSize, SeekOrigin.Current); // table entries, filled in later
// Data
int tableIdx = 0;
for (int j = idxStart; j < idxEnd; ++j, ++tableIdx)
{
// Special case: MultiCollection.uop
if ((type == FileType.MultiMUL) && (i == tableCount - 1) && (j == idxEnd - 1))
{
if (File.Exists("housing.bin"))
{
FileInfo binInfo = new FileInfo("housing.bin");
// MultiCollection.uop has the file "build/multicollection/housing.bin", which has to be treated separately
using (BinaryReader readerBin = OpenInput("housing.bin"))
{
byte[] binData = new byte[binInfo.Length];
int readLen = readerBin.Read(binData, 0, (int)binInfo.Length);
tableEntries[tableIdx].m_Offset = writer.BaseStream.Position;
tableEntries[tableIdx].m_Size = readLen;
tableEntries[tableIdx].m_Identifier = HashLittle2("build/multicollection/housing.bin");
tableEntries[tableIdx].m_Hash = HashAdler32(binData);
writer.Write(binData, 0, readLen);
}
}
continue;
}
reader.BaseStream.Seek(idxEntries[j].m_Offset, SeekOrigin.Begin);
byte[] data = reader.ReadBytes(idxEntries[j].m_Size);
int sizeDecompressed = data.Length;
if (type == FileType.GumpartLegacyMUL)
{
// Prepend width/height from IDX's extra
sizeDecompressed += 8;
int width = (idxEntries[j].m_Extra >> 16) & 0xFFFF;
int height = idxEntries[j].m_Extra & 0xFFFF;
byte[] dataCopy = data;
data = new byte[sizeDecompressed];
data[0] = (byte)(width & 0xFF);
data[1] = (byte)((width >> 8) & 0xFF);
data[2] = (byte)((width >> 16) & 0xFF);
data[3] = (byte)((width >> 24) & 0xFF);
data[4] = (byte)(height & 0xFF);
data[5] = (byte)((height >> 8) & 0xFF);
data[6] = (byte)((height >> 16) & 0xFF);
data[7] = (byte)((height >> 24) & 0xFF);
Array.Copy(dataCopy, 0, data, 8, sizeDecompressed - 8);
}
int sizeOut;
byte[] dataOut;
if (compress != 0)
{
sizeOut = Zlib.CompressBound((ulong)sizeDecompressed); // estimated maximum size
dataOut = new byte[sizeOut];
Zlib.Compress(dataOut, ref sizeOut, data, sizeDecompressed);
}
else
{
sizeOut = sizeDecompressed;
dataOut = data;
}
tableEntries[tableIdx].m_Offset = writer.BaseStream.Position;
tableEntries[tableIdx].m_Compression = compress;
tableEntries[tableIdx].m_Size = sizeOut;
tableEntries[tableIdx].m_SizeDecompressed = sizeDecompressed;
// hash 906142efe9fdb38a, which is file 0009834.tga (and no others, as 7.0.59.5) use a different name format (7 digits instead of 8);
// if in newer versions more of these files will have adopted that format, someone should update this list of exceptions
// (even if this seems so much like a typo from someone from the UO development team :P )
if ((type == FileType.GumpartLegacyMUL) && (idxEntries[j].m_Id == 9834))
{
tableEntries[tableIdx].m_Identifier = HashLittle2(String.Format(hashFormat[1], idxEntries[j].m_Id));
}
else
{
tableEntries[tableIdx].m_Identifier = HashLittle2(String.Format(hashFormat[0], idxEntries[j].m_Id));
}
tableEntries[tableIdx].m_Hash = HashAdler32(dataOut);
writer.Write(dataOut, 0, sizeOut);
}
long nextTable = writer.BaseStream.Position;
// Go back and fix table header
if (i < tableCount - 1)
{
writer.BaseStream.Seek(thisTable + 4, SeekOrigin.Begin);
writer.Write(nextTable);
}
else
{
writer.BaseStream.Seek(thisTable + 12, SeekOrigin.Begin);
// No need to fix the next table address, it's the last
}
// Table entries
tableIdx = 0;
for (int j = idxStart; j < idxEnd; ++j, ++tableIdx)
{
writer.Write(tableEntries[tableIdx].m_Offset);
writer.Write(0); // header length
writer.Write(tableEntries[tableIdx].m_Size); // compressed size
writer.Write(tableEntries[tableIdx].m_SizeDecompressed); // decompressed size
writer.Write(tableEntries[tableIdx].m_Identifier);
writer.Write(tableEntries[tableIdx].m_Hash);
writer.Write(tableEntries[tableIdx].m_Compression); // compression method
}
// Fill remainder with empty entries
for ( ; tableIdx < tableSize; ++tableIdx)
{
writer.Write(m_EmptyTableEntry);
}
writer.BaseStream.Seek(nextTable, SeekOrigin.Begin);
}
}
}
//
// UOP -> MUL
//
public void FromUOP(string inFile, string outFile, string outFileIdx, FileType type, int typeIndex)
{
Dictionary <ulong, int> chunkIds = new Dictionary <ulong, int>();
Dictionary <ulong, int> chunkIds2 = new Dictionary <ulong, int>();
int maxId;
string[] formats = GetHashFormat(type, typeIndex, out maxId);
for (int i = 0; i < maxId; ++i)
{
chunkIds[HashLittle2(String.Format(formats[0], i))] = i;
}
if (formats[1] != "")
{
for (int i = 0; i < maxId; ++i)
{
chunkIds2[HashLittle2(String.Format(formats[1], i))] = i;
}
}
bool[] used = new bool[maxId];
using (BinaryReader reader = OpenInput(inFile))
using (BinaryWriter writer = OpenOutput(outFile))
using (BinaryWriter writerIdx = OpenOutput(outFileIdx))
{
if (reader.ReadInt32() != 0x50594D) // MYP
{
throw new ArgumentException("inFile is not a UOP file.");
}
Stream stream = reader.BaseStream;
int version = reader.ReadInt32();
reader.ReadInt32(); // format timestamp? 0xFD23EC43
long nextTable = reader.ReadInt64();
//List<string> toLog = new List<string>();
do
{
// Table header
stream.Seek(nextTable, SeekOrigin.Begin);
int entries = reader.ReadInt32();
nextTable = reader.ReadInt64();
// Table entries
TableEntry[] offsets = new TableEntry[entries];
for (int i = 0; i < entries; ++i)
{
/*
* Empty entries are read too, because they do not always indicate the
* end of the table. (Example: 7.0.26.4+ Fel/Tram maps)
*/
offsets[i].m_Offset = reader.ReadInt64();
offsets[i].m_HeaderLength = reader.ReadInt32(); // header length
offsets[i].m_Size = reader.ReadInt32(); // compressed size
offsets[i].m_SizeDecompressed = reader.ReadInt32(); // decompressed size
offsets[i].m_Identifier = reader.ReadUInt64(); // filename hash (HashLittle2)
offsets[i].m_Hash = reader.ReadUInt32(); // data hash (Adler32)
offsets[i].m_Compression = reader.ReadInt16(); // compression method (0 = none, 1 = zlib)
}
// Copy chunks
for (int i = 0; i < offsets.Length; ++i)
{
if (offsets[i].m_Offset == 0)
{
continue; // skip empty entry
}
if ((type == FileType.MultiMUL) && (offsets[i].m_Identifier == 0x126D1E99DDEDEE0A))
{
// MultiCollection.uop has the file "build/multicollection/housing.bin", which has to be handled separately
using (BinaryWriter writerBin = OpenOutput("housing.bin"))
{
stream.Seek(offsets[i].m_Offset + offsets[i].m_HeaderLength, SeekOrigin.Begin);
byte[] binData = reader.ReadBytes(offsets[i].m_Size);
byte[] binDataToWrite;
if (offsets[i].m_Compression == 1)
{
byte[] binDataDecompressed = new byte[offsets[i].m_SizeDecompressed];
Zlib.Decompress(binDataDecompressed, ref offsets[i].m_SizeDecompressed, binData, offsets[i].m_Size);
binDataToWrite = binDataDecompressed;
}
else
{
binDataToWrite = binData;
}
writerBin.Write(binDataToWrite, 0, binDataToWrite.Length);
}
continue;
}
int chunkID = -1;
if (!chunkIds.TryGetValue(offsets[i].m_Identifier, out chunkID))
{
int tmpChunkID = -1;
if (!chunkIds2.TryGetValue(offsets[i].m_Identifier, out tmpChunkID))
{
throw new Exception(String.Format("Unknown identifier encountered ({0:X})", offsets[i].m_Identifier));
}
else
{
chunkID = tmpChunkID;
//toLog.Add(String.Format("[DevInfo] Hash {0} has format type 2! ChunkID: {1}", offsets[i].m_Identifier, chunkID));
}
}
stream.Seek(offsets[i].m_Offset + offsets[i].m_HeaderLength, SeekOrigin.Begin);
byte[] chunkDataRaw = reader.ReadBytes(offsets[i].m_Size);
byte[] chunkData;
if (offsets[i].m_Compression == 1)
{
byte[] chunkDataDecompressed = new byte[offsets[i].m_SizeDecompressed];
Zlib.Decompress(chunkDataDecompressed, ref offsets[i].m_SizeDecompressed, chunkDataRaw, offsets[i].m_Size);
chunkData = chunkDataDecompressed;
}
else
{
chunkData = chunkDataRaw;
}
if (type == FileType.MapLegacyMUL)
{
// Write this chunk on the right position (no IDX file to point to it)
writer.Seek(chunkID * 0xC4000, SeekOrigin.Begin);
writer.Write(chunkData);
}
else
{
int dataOffset = 0;
#region Idx
writerIdx.Seek(chunkID * 12, SeekOrigin.Begin);
writerIdx.Write((uint)writer.BaseStream.Position); // Position
switch (type)
{
case FileType.GumpartLegacyMUL:
{
// Width and height are prepended to the data
int width = (chunkData[0] | (chunkData[1] << 8) | (chunkData[2] << 16) | (chunkData[3] << 24));
int height = (chunkData[4] | (chunkData[5] << 8) | (chunkData[6] << 16) | (chunkData[7] << 24));
writerIdx.Write(chunkData.Length - 8);
writerIdx.Write((width << 16) | height);
dataOffset = 8;
break;
}
case FileType.SoundLegacyMUL:
{
// Extra contains the ID of this sound file + 1
writerIdx.Write(chunkData.Length);
writerIdx.Write(chunkID + 1);
break;
}
default:
{
writerIdx.Write(chunkData.Length); // Size
writerIdx.Write((int)0); // Extra
break;
}
}
used[chunkID] = true;
#endregion
writer.Write(chunkData, dataOffset, chunkData.Length - dataOffset);
}
}
// Move to next table
if (nextTable != 0)
{
stream.Seek(nextTable, SeekOrigin.Begin);
}
}while (nextTable != 0);
// Fix idx
// TODO: Only go until the last used entry? Does the client mind?
if (writerIdx != null)
{
for (int i = 0; i < used.Length; ++i)
{
if (!used[i])
{
writerIdx.Seek(i * 12, SeekOrigin.Begin);
writerIdx.Write(-1);
writerIdx.Write((long)0);
}
}
}
/*
* if (toLog.Count != 0)
* {
* using (StreamWriter file = new StreamWriter(@"uop2mul_log.txt"))
* {
* for (int i = 0; i < toLog.Count; ++i)
* file.WriteLine(toLog[i]);
* }
* }
* toLog.Clear();
*/
}
}
